(63-x)÷x=1/8怎么算？(2分之x 729 0)
(X - 1)²=64怎么算
(X-1)²=64 x-1=8或x-1=-8 x=9或x=-7
1119=X+X÷21.75*8怎么算
解:1119=x+x÷21.75*81119=x+8x÷21.751119乘以21.75=21.75x+8x29.75x=24338.25x=24338.25÷29.75x=818又119分之11
x+x=x÷x,怎么算求答案
x+x=x÷x2x=1x=1/2
x+1/8x=3400 - x怎么计算
x+1/8x=3400-xx+1/8x+x=340017/8x=3400x=3400X 8/17=1600
解方程6x÷1/2=3/8
解:6x=3/8*1/26x=3/16 x=1/32 希望采纳!!!O(∩_∩)O哈哈~ 那个“坚定的信念”是错的!
x²=1算出来为什么是x=±1
x² = 1x = ± √1 (因 √1 = 1)x = ± 1即 x = 1 或 x = -1
x(x - 1)=182怎么算?
x(x-1)=182x^2-x=182x^2-x-182=0x^2-x-13*14=0(x-14)(x+13)=0x=14或x=-13
(x+1.2)÷0.2=(x - 1.2)÷0.8怎么算
解:(x+1.2)÷0.2=(x-1.2)÷0.80.8(x+1.2)=0.2(x-1.2)0.8x+0.96=0.2x-0.240.8x-0.6x=-0.24-0.960.2x=-1.2x=-6
(0.4+x)*8=8怎么算
解: 原式整理成(0.4+x)=8/8=1, x=1-0.4=0.6
60*(x–1)=50*(x+1)怎么算
60*(x–1)=50*(x+1)60x-60=50x+5010x=110 x=11